Ruby does her school work at home in the morning.
A. Right.
B. Wrong.
C. Doesn't Say.
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Word、Excel属于应用软件。 ()
A. 正确
B. 错误
Animal researchers find European mink lives best along the Baltic Sea.
A. Right.
B. Wrong.
C. Doesn't Say.
在Excel 2003中清除是指将选定的单元格和单元格内的内容一并删除。 ()
A. 正确
B. 错误
记账操作在计算机条件下成为对记账凭证错误的修改是否留有痕迹的分界。 ()
A. 正确
B. 错误
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